Command line interface

'''

at place A, create some json

zoo init file.json # validation checks on records at this stage

more modifications

zoo commit -m 'new RNA virus assemblies from study' dat share .

generates link asdew3es...

in some faraway place B

dat clone asdew3es... zoo add --cell new_study

MSA against some flaviviruses

zoo commit -m 'new RNA viruses related to flavivirus'

at some place C, somebody already cloned zoo B

zoo pull # new sequences now present '''